body,p,h1,h2,h3,h4,h5,h6,ul,ol,dl,dt,dd,li {
          margin: 0;
          padding: 0;
          list-style: none;
          font-size: 12px;
          color: #666666;
      }
      a {
         text-decoration: none;
         color: #666666;
      }
      input,img {
          vertical-align: middle;
          border: 0 none;
          outline: none;
          padding: 0;
      }
      .w {
          width: 1200px;
          margin: 0 auto;
      }
      .clearfix::after {
          content: "";
          display: block;
          clear: both;
      }
      .left{
        float: left;
      }
      .right{
        float: right;
      }
